Tag: "stimulates" at biology news

... is actually a growth inhibitor. For example,TGF-_ stimulates skin cells to divide, making TGF-_ an excellent wound-healer. In earlier research, reported in the December 1994 issue of Nature Genetics,Marchuk identified the first gene linked to HHT. This gene, called ENG,is located on chromosome 9 and encodes ...

...reventingtumors from forming in 8 of 11 rats. IL-2 stimulates theformation of lymphocytes known as cytotoxic T cells, which areespecially effective at killing cancer cells. The team alsoachieved noteworthy results by raising the levels of the cytokineGMCSF (granulocyte macrophage colony stimulating factor), whi...

...eventing tumors from forming in 8 of 11 rats. IL-2 stimulates the formation of lymphocytes known as cytotoxic T cells, which are especially effective at killing cancer cells. The team also achieved noteworthy results by raising the levels of the cytokine GM-CSF (granulocyte-macrophage-colony-stimulating factor)...

...HV-1). When sprayed into a cow's nose, the vaccine stimulates the animal's immune system to make antibodies. The... placing the same antigen on mucosa. That response stimulates a completely different part of the immune system, which appears to protect the body's surfaces. Our ...

...haften". Anabaseine, whose chemical analog GTS-21 stimulates the nicotine receptor sitesin the brains of Alzheimer's patients and helps reduce memory loss, is one offour components found by Cornell researchers in secretions from the poisonglands of "A. rudis" ants, a common species in the Northeast United Stat...

...ella are killed and the ZP antigen is released and stimulates production of antibodies against ZP. Because these antibodies bind to the ZP surrounding the egg, they inhibit the binding of sperm and thus block fertilization. Scientists have looked at various techniques for delivering oral rabies vaccines to wi...

...y." "If we can understand how the mutation stimulates bone density, we mightbe able to take advantage of it to help older patients." A report the findings appears in the March issue of Human MolecularGenetics. Besides Wright, authors are Drs. Thomas C. Hart and Donald W. Bowden,associate profess...

... During a normal menstrual cycle, FSH stimulates egg follicles to develop. At a certain point in the cycle, estrogen signals the pituitary to stop producing FSH, a signal that at least one egg follicle is well and being nurtured. The drop in FSH stops...

...n of the GM-CSFreceptor on the cell's surface that stimulates the immune cell to takein glucose. This discovery just happened to coincide with earlier researchin his laboratory led by Dr. Juan Carlos Vera establishing that specificglucose transporter molecules were responsible for transporting vitaminC into cel...

...thatamnesiac is believed to encode a molecule that stimulates cAMP production. The scientists thus deduced that the fruit flies missing the amnesiac gene hadreduced cAMP production, and that this action caused greater intoxication. Totest their hypothesis, they treated the mutant amnesiac flies with agents tha...

...f the other molecules in the signalingpathway that stimulates the immune system, Koretzky said. That is the majorfinding reported in Friday's issue of Science. These findings suggest that SLP-76 may play a role in the development ofdisease. Though T cells comprise only one part of the immune system, they play a...

... normally produced insmall amounts by the body and stimulates blood vessel growth. In this procedure,it is injected directly into the coronary artery to further stimulate bloodvessel growth. The initial injection is followed by a series of threeintravenous infusions -- one every three days. These subsequent inf...

...one of several factors known to activateplatelets, stimulates the blood cells into action. The initial observations inmice led the researchers to a potentially profound finding for humans. In the mouse study, the researchers determined that thrombin is able to activateplatelets by latching onto, and cleaving, ...

... baby chicks via spray in thehatchery. The vaccine stimulates immunity in the chickens, preventing Salmonella infection during the growing period which may result in contaminationand subsequent food borne infection of humans. In recently completed trials on US commercial broiler farms which included morethan a...

...erythropoietin, or Epo, a recombinant protein that stimulates red blood cellproduction and is used to treat anemias, and the genes for a transcriptionfactor complex able to regulate Epo. ARIAD investigators had previously shown that this particulartranscription factor could be switched on by a small-mol...

...r laboratories, however, indicates that blood flow stimulates the expression of COX-2 by blood vessels. The Penn results suggest that the same is true in vivo. Excessive aggregation of platelets can lead to thrombosis, dangerousclotting that can result in heart attacks and strokes. So, the fact that COX...

... "We are able to produce a degree ofischemia that stimulates neuronal birth without killing other neurons. Therefore, ischemia itself stimulates the new neurons. We believe that thisrepresents a protective response that facilitates memory funct...

...eaflatoxin B1, a potent hepatocarcinogen. Oltipraz stimulates the production ofphase 2 enzymes which enhance the detoxification of aflatoxin and makes iteasier for the body to eliminate the harmful forms of aflatoxin. Dr. Kenslersaid, "The enzymes carry the aflatoxin out like a skateboard, and it does noharm." ...

...roup, ate the standard diet plus cholic acid,which stimulates the absorption of vegetable fats. A third group ate a standarddiet enhanced with a mixture of phytosterols, plus cholic acid. The triallasted 22 days. Results showed that rats fed the phytosterol diet had between 33 and 48percent less testo...

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